FCC ID: QPI-RFMODULE02 DTS

Installation and Operation Manual Wireless Space Sensor Wireless CAUTION This equipment complies with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. If this equipment does cause harmful interference to radio or television reception, which can be etermined, by turning this equipment OFF and ON, the user may correct the interference by: (1) Reorienting or relocating the receiving antenna, (2) Increasing separation between the equipment and wireless components, (3) Connecting the equipment to a different outlet circuit from that of the wireless components, or (4)Consulting an experienced radio/TV technician for assistance. The antenna supplied by Heat-Timer Corporation must be used (gain <= 6dB). It is recommended not to operate the device (transceiver) with persons closer than 20cm to the antenna. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. 059049-00 Rev. 2WirelessSNRInstallationandOperationManual Contents Controls,Indicators,andConnections.....................3 Specifications.........................................4 InstallationInstructions ................................5 RequiredMaterials(NotSupplied).....................5 ProgrammingtheSystemID ..........................5 MountingtheWirelessSNR...........................7 PerformingtheICMSConfiguration....................7 DetailedOperation ....................................8 ControlTheory .....................................8 Troubleshooting .......................................8 WirelessSystemInformation ............................9 Notes ...............................................10 059049-00 Rev. HeatTimerCorp. Controls,Indicators,andConnections3 Controls,Indicators,andConnections Figure1: WirelessSpaceSensorControls,Indicators,andConnections 1 2 3 6 4 5 Description Description Item 1 2 ModeButton InternalAntenna UsetosettheWirelessSNRmode(Normal,Install,or OnePacket). StatusIndicators(LEDs) Batteries Item 4 5 ProvidepowerfortheWirelessSNR(2)AA1.5Valkaline batteries. RedmainLEDblinkswheninInstallmode. GreenmainLEDblinkswhendatareceptionbya destinationdevicehasbeenacknowledged. RedRFLED(nearesttheRFModule)blinkswhen transmittingdatainInstallmodeorifOnePacket modehasbeeninitiated. IfallthreeLEDsareblinking,noSystemIDhasbeen configured. 3 RFModule 6 RS485Connector Transmit/receiveradiosignalsto/fromotherdevices. ProgramminginterfacefortheWirelessProgrammeror MSIHub. HeatTimerCorp. 059049-00 Rev. 4WirelessSNRInstallationandOperationManual Specifications Dimensions(WxHxD):.................................................. 5x25/8x7/8(127mmx66.68mmx22.23mm) MountingLocations:.....................................................................................WallMount TemperatureRange: ...................................................................... 40Fto150F(4.5Cto66C) PowerInput: ............................................................................AAAlkaline(1.5V)Batteries(2) Transmission/Reception: ............................................................................ InternalAntenna Frequency: ........................................................................................ RF900MHzFHSS SignalStrength: ................................................................................... 25mWto100mW ProgrammingInterface: ...................................................................................... RS485 UserInterface: ..........................................................StatusIndicators(2MainLEDs,1RFModuleLED) ModeButton(1) 059049-00 Rev. HeatTimerCorp. InstallationInstructions5 InstallationInstructions TheWirelessSNRinstallationprocessconsistsofthefollowingbasicsteps:

1. ProgrammingtheWirelessSNRSystemID. 2. Selectingappropriatelocationsandmountingthedevice(s). 3. PerformingfinalICMSconfiguration. RequiredMaterials(NotSupplied) Thefollowingmaterials/toolsarerequiredforinstallation,butarenotsupplied:

Generaltoolkit(screwdrivers,powerdrill,etc.) ProgrammingtheSystemID FortheSNRstofunctioninawirelesssystem,eachmustcommunicatewithanearbyTransceiver(TRV)orMSIHub.Eachwireless networkshouldhaveauniqueSystemIDthatenablesallwirelesscomponentswiththatIDtocommunicatewitheachother. 1. OpentheWirelessSNRbygentlypressingonthebaselockingtab(1)andremovingthecover,andtheninserttwoAAalkaline 1.5Vbatteries(2)(HeatTimerp/n02000800). NOTE:Besuretoinstallthebatteriesintheproperdirection. 4 3 2 1 2. ObservetheWirelessSNRstatusindicators(3).IftheLEDsareblinkingeverysecondafterinstallingthebatteries,theSystemID isnotset(bydefault,thefactorysettingisthattheSystemIDisnotset). NOTE:IftheLEDsarenotblinking,verifythebatteriesaregoodandareinstalledcorrectly.Ifthebatteriesaregoodandthe LEDsarenotblinking,theSystemIDhasalreadybeenset.IftheSystemIDisknown,continuewithMountingtheWireless SNRonpage 7.IftheSystemIDisnotknown,theSystemIDmustbeclearedusingthefollowingsteps:

b. PressandholdtheModebutton(4)whilereinstallingthebatteries.ContinueholdingtheModebuttonuntiltheWireless a. RemovethebatteriesfromtheWirelessSNR. SNRstatusindicators(3)startblinkingoncepersecond. c. ContinuewithStep 3. HeatTimerCorp. 059049-00 Rev. 6WirelessSNRInstallationandOperationManual 3. RemovethebatteriesfromtheWirelessSNR,andthenprogramtheWirelessSNRSystemIDusingoneofthefollowingthree methods:

ProgramtheSystemIDWirelesslyusingaTransceiverorMSIHub NOTE:Transceiversoftwaremustbeversion13orabove. a. EnsuretheTransceiverorMSIHubhasbeenpoweredonandhasalreadybeenprogrammedwiththeSystemID.Observe theMSIHubstatusLEDs(1).IfthestatusLEDsarenotblinking,orareblinkingonlyonceevery15seconds,aSystemID hasbeenprogrammed.IftheLEDsareblinkingrapidly(oncepersecond),aSystemIDhasnotbeenprogrammed. 1 2 MSIHub b. PressandholdtheSystemIDSet/ResetbuttonontheMSIHub(2)orTransceiverfor5secondsoruntiltheredLEDstarts blinking. NOTE:TheSystemIDSet/ResetbuttonislocatedontheboardfortheTransceiver. c. InsertthebatteriesintotheWirelessSNRandobservethesensorsredandgreenstatusLEDs.WhentheLEDsstop blinking,thesensorisprogrammedandreadytobemounted. d. AftertheSystemIDhasbeenprogrammed,presstheSystemIDSet/ResetbuttonontheMSIHuborTransceivertoreturn thedevicetonormaloperation. e. ContinuewithMountingtheWirelessSNRonpage 7. ProgramtheSystemIDbyConnectingWirelessSNRtotheMSIHub a. EnsuretheMSIHubhasbeenpoweredonandhasalreadybeenprogrammedwiththeSystemID.ObservetheMSIHub statusLEDs(1).IfthestatusLEDsarenotblinking,orareblinkingonlyonceevery15seconds,aSystemIDhasbeen programmed.IftheLEDsareblinkingrapidly(oncepersecond),aSystemIDhasnotbeenprogrammed. 3 1 MSIHub 2 4 WirelessSNR 5 b. ConnecttheprovidedblackMSIRJ11communicationscable(2)totheprogrammingconnectionontheMSIHub(3)and WirelessSNR(4). CAUTION TheblackMSIRJ11communicationscable(provided)MUSTbeusedwhenconnectingtheMSIHub totheWirelessSNR.UsinganyothercablemayresultindamagetotheMSIHuband/orthe WirelessSensor/Transceiver. c. InsertthebatteriesintotheWirelessSNRandobservethesensorsredandgreenstatusLEDs(5).WhentheLEDsstop blinking,thesensorisprogrammedandreadytoinstall. d. DisconnecttheWirelessSNRfromtheMSIHub,andthencontinuewithMountingtheWirelessSNRonpage 7. 059049-00 Rev. HeatTimerCorp. InstallationInstructions7 ProgramtheSystemIDusingtheHandHeldWirelessProgrammer a. SetthedesiredSystemIDintheHandHeldWirelessProgrammer.RefertotheHandHeldWirelessProgrammermanual b. AftertheSystemIDisset,pressthe[Mode]buttontoreturntothemainmenu,selectConfigDevices,andthenpress c. SelectSystemID,andthenpress[Enter/].TheSystemIDcurrentlyprogrammedintotheWirelessProgrammeris d. InsertthebatteriesintotheWirelessSNRandthenconnectthephonecablefromtheWirelessProgrammertothe sensorbeingprogrammed.PressFtoloadtheSystemIDintotheWirelessSNR. e. WhenACKisdisplayedontheWirelessProgrammerscreen,thisisconfirmationthattheWirelessSNRhasacceptedthe SystemID.VerifythatthesensorsredandgreenstatusLEDshavestoppedblinking. f. DisconnecttheWirelessSNRfromtheWirelessProgrammer,andthencontinuewithMountingtheWirelessSNRon forinstructions.

[Enter/]. displayed. page 7. MountingtheWirelessSNR NOTE:TheSystemIDmustbeprogrammedpriortomountingtheWirelessSNR.EnsurethestepsprovidedinProgrammingthe SystemIDonpage 5havebeencompletedbeforecontinuing.TheWirelessSNRcovershouldalreadyberemovedandthebatteries installed. 1. SelectanappropriatelocationtomounttheWirelessSNR.Thelocationmustmeetthefollowingminimumrequirements:

Thelocationshouldbeonawallthatwillrepresentthecurrentlivingspacetemperature(forexample:inthelivingroom, 5 feet(1.5meters)highonaninteriorwall). Themountingsurfaceshouldbeflatandstrongenoughtoholdtheweightofthedevice. DONOTmountthedeviceinalocationwhereitwillbeexposedtoheating,cooling,orhumiditysources(suchasnear radiators,heating/coolingvents,windows,doors,orinakitchenorbathroom. 2. Markthemountinglocationthroughthetwomountingholes(1)intheWirelessSNRbase,andthensecuretheWirelessSNRin placeusingthesuppliedscrewsandwallanchors. 1 1 3. SnapthecoverbackontotheWirelessSNR. 4. ContinuetoPerformingtheICMSConfigurationonpage 7whenalldeviceshavebeenmounted. PerformingtheICMSConfiguration AftertheWirelessSNRhasbeenconfiguredandinstalled,itmustbeconfiguredinICMS. 1. WritethelocationoftheWirelessSNRontheIDcardprovidedwiththedevice(forexample,Apt.5A). 2. Accesswww.HTControls.comandlogin. 3. ConfigureICMSwiththeapplicableWirelessSNRinstallationdata(deviceID,name,type,andlocation). 4. AftertheICMSconfigurationiscomplete,logoutofICMS. HeatTimerCorp. 059049-00 Rev. 8WirelessSNRInstallationandOperationManual DetailedOperation ControlTheory TheHeatTimerWirelessNetworkSensorSystemisdesignedtobeusedinavarietyoflargebuildings,gardenapartments,andin retrofitapplications.Thisgivesboththeaccuracyandflexibilityrequiredtomonitorthosebuildings'temperatures(givingthecontrol morepowertosavefuelwhilekeepingspacetemperaturesatcomfortablelevels).Thesystemeasestheinstallationofspacesensors inbuildingswereitwouldbedifficultorcostprohibitiveutilizingothermeans,andgivesHeatTimerPlatinumcontrolsaccesstothe wirelesssensordata,whichitlogsandusesformonitoringandfinetuningitsoperation. Theprimaryintegralcomponentsofthesystemare:theMSIHub,Transceivers(TRV),WirelessSensors(SNR),andWireless TemperatureModules(WTM).TheSNRscommunicatetheirinformationtoanearbyTRVordirectlytoanMSIHub.Datareceivedbya TRVistransmittedeithertoanotherTRVortotheMSIHub.AlldatareceivedbytheMSIHubiscommunicatedtothePlatinumcontrol. Troubleshooting Symptom PossibleCause RecommendedAction BothredstatusLEDs(orallthreeLEDs)are continuouslyblinking. SystemIDhasnotbeenconfigured. StatusLEDsarenotblinkingafterthe batteriesareinstalled. Batteriesnotinstalledcorrectly,orare weakordrained. SystemIDisalreadyconfigured. Dataisnotbeingtransmittedorreceived bytheWirelessSNR. Batteriesweakordrained. ConfiguretheSystemID.IftheLEDsare stillblinkingaftertheSystemIDhasbeen configured,contactCustomerSupport. Verifythebatteriesaregoodandare installedcorrectly(checkthepolarity diagramonthebase). IftheSystemIDhasbeenpreviously configuredandisknown,noactionis required. IftheSystemIDisnotknown,reconfigure theSystemID. ReplacebothAAalkalinebatteries

(HeatTimerp/n02000800). 059049-00 Rev. HeatTimerCorp. WirelessSystemInformation InstallationAddress: __________________________________________________________________ WirelessSystemID: __________________________________________________________________ WirelessSystemInformation9 Locations:

1 2 3 4 5 6 7 8 9 10 Transceiver Transceiver Transceiver Transceiver Transceiver Transceiver Transceiver Transceiver Transceiver Transceiver 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Sensor Sensor Sensor Sensor Sensor Sensor Sensor Sensor Sensor Sensor Sensor Sensor Sensor Sensor Sensor Sensor Sensor Sensor Sensor Sensor Sensor Sensor Sensor Sensor Sensor ID#

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HeatTimerCorp. 059049-00 Rev. 10WirelessSNRInstallationandOperationManual Notes 059049-00 Rev. HeatTimerCorp. Notes11 Notes HeatTimerCorp. 059049-00 Rev. WARRANTIES AND LIMITATIONS OF LIABILITY AND DAMAGE: Heat-Timer Corporation warrants that it will replace, or at its option, repair any Heat-Timer Corporation manufactured product or part thereof which is found to be defective in material workmanship within one year from the date of installation only if the warranty registration has been properly filled out and returned within 30 days of the date of installation. Damages to the product or part thereof due to misuse, abuse, improper installation by others or caused by power failure, power surges, fire, flood or lightning are not covered by this warranty. Any service, repairs, modifications or alterations to the product not expressly authorized by Heat-Timer Corporation will invalidate the warranty. Batteries are not included in this warranty. This warranty applies only to the original user and is not assignable or transferable. Heat-Timer Corporation shall not be responsible for any maladjustments of any control installed by Heat-Timer Corporation. It is the users responsibility to adjust the settings of the control to provide the proper amount of heat or cooling required in the premises and for proper operation of the heating or cooling system. Heat-

Timer Corporation shall not be required to make any changes to any building systems, including but not limited to the heating system, boilers or electrical power system, that is required for proper operation of any controls or other equipment installed by Heat-Timer Corporation or any contractor. Third Party products and services are not covered by this Heat-

Timer Corporation warranty and Heat-Timer Corporation makes no representations or warranties on behalf of such third parties. Any warranty on such products or services is from the supplier, manufacturer, or licensor of the product or service. See separate Terms and Conditions of Internet Control Management System (ICMS) services, including warranties and limitations of liability and damages, for ICMS services. THE FOREGOING IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED AND HEAT-TIMER CORPORATION SPECIFICALLY DISCLAIMS ANY AND ALL WARRANTIES OF MERCHANTABILITY FOR A PARTICULAR PURPOSE. UNDER NO CIRCUMSTANCES SHALL HEAT-TIMER CORPORATION, ITS AUTHORIZED REPRESENTATIVES, AFFILIATED OR SUBSIDIARY COMPANIES BE LIABLE FOR SPECIAL, CONSEQUENTIAL OR INCIDENTAL DAMAGES, EXCEPT AS SPECIFICALLY STATED IN THESE TERMS AND CONDITIONS OF SALE. THE SOLE REMEDY WITH RESPECT TO ANY PRODUCT OR PART SOLD OR INSTALLED BY HEAT-TIMER CORPORATION SHALL BE LIMITED TO THE RIGHT TO REPLACEMENT OR REPAIR F. O. B. FAIRFIELD, NJ. HEAT-

TIMER CORPORATION SHALL NOT BE LIABLE OR RESPONSIBLE FOR LOSS OR DAMAGE OF ANY KIND RESULTING FROM DELAY OR INABILITY TO DELIVER FOR ANY REASON, INCLUDING BUT NOT LIMITED TO FIRE, FLOOD, LIGHTNING, POWER FAILURE OR SURGES, UNAVAILABILITY OF PARTS, STRIKES OR LABOR DISPUTES, ACCIDENTS AND ACTS OF CIVIL OR MILITARY AUTHORITIES. 20 New Dutch Lane, Fairfield, NJ 07004 973-575-4004 Fax 973-575-4052 http://www.heat-timer.com 059049-00 Rev.

FCC ID Labeling for Heat Timers RF Module:

MODULE02 (900371-00) with FCC ID: QPI-RFMODULE02 FCC statement may be shown in its user manual for small size devices:

FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

EUT: Wireless Module Report No: 0048-220401-01-FCC Model: RFMODULE02 (900371-00) FCC ID:QPI-RFMODULE02 FCC Label for RF module: RFMODULE02 (900371-00) Heat-Timer MODULE02 Model: RFMODULE02 (900371-00) FCC ID: QPI-RFMODULE02 This device complies with FCC Part 15C Rules. Operating is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. Proposed FCC ID Label for RF Module

(The statement may be shown in its user manual for small size device ) ID Label Page 36 of 46 Advanced Compliance Laboratory, Inc. 210 Cougar Court, Hillsborough, NJ 08844, tel:(908) 927 9288 EUT: Wireless Module Report No: 0048-220401-01-FCC Model: RFMODULE02 (900371-00) FCC ID:QPI-RFMODULE02 FCC Label for Host Device: Wireless Space Sensor Heat-Timer Wireless Space Sensor Contains FCC ID: QPI-RFMODULE02 This device complies with FCC Part 15C Rules. Operating is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. Proposed FCC ID Label for Host Device

(The statement may be shown in its user manual for small size devices ) ID Label Page 37 of 46 Advanced Compliance Laboratory, Inc. 210 Cougar Court, Hillsborough, NJ 08844, tel:(908) 927 9288

210 Cougar Court Hillsborough, NJ 08844 Tel: (908) 927 9288 Fax: (908) 927 0728 Advanced Compliance Lab Wei Li, Advanced Compliance Laboratory FCC June 7, 2022 Application for FCC C2PC Certification for Heat-Timers product under FCC ID: QPI-RFMODULE02 0048-220607-01-FCC Date:

Ref:

Ctrl#:

From:

To:

Dear Sir/ Madam, We, Advanced Compliance Laboratory, as EMC testing lab and agent, would like to represent the applicant, Heat-Timer Corp to apply for your C2PC approval on product authorization under FCC ID:

QPI-RFMODULE02 ( granted on 6/6/2022). The investigation for the EMC performance of the EUT(s), Wireless Module, RFMODULE02, Model: 900371-00, was performed in June, 2022 on behalf of Heat-

Timer Corp. It was found that EUTs comply with the requirements of FCC Part 15.247. The system was configured as the typical condition during the investigation. Enclosed please find the test data/report with application forms. Changes in EUT:

No RF circuitry design change. The followings are the changes in RFMODULE02:

1. Four new antennas are added into the application ( see attached antenna spec.);

2. 2 cable and 3/16 trace on the PCB are added between original RF module U2 output and Current RP-SMA connector;

connection. 3. External PCB with Microcontroller U1 is added to provide digital control, IO ports & power The measurement facility used to collect the test data is located at Hillsborough, New Jersey. ACL is recognized by FCC (Refer to: 31040/SIT 1300F2/US5347) since 1992 and also recognized under NVLAP by NIST (Lab code 200101-0) since 1997. Should you need more information, please contact me at (908) 392-3378 or email me to weili@ac-lab.com. Your attention is highly appreciated. Sincerely, Wei Li Manager Advanced Compliance Laboratory, Inc.

HEAT-TIMER CORPORATION FCC Authorization Letter FCC ID: QPI-RFMODULE02 Name: RFMODULE02 / Model: 900371-00 Date: 6/6/2022 FCC Confidentiality Request In accordance with 0.459 & 0.457 of CFR 47, please, accept this letter as an official request to have the schematics, block diagram, operational description of the EUT treated as confidential. The information contained within is a result of extensive investment and development effort by Heat-Timer Corp. and its disclosure will compromise Heat-Timer's Intellectual Property and competitive edge. We thus ask the FCC NOT to publish the information mentioned above, in order to protect Heat-Timer's Intellectual Property. Regards, Signature:

Carlos Urbina Title: Engineering Manager Company: Heat-Time Corporation

HEAT TIMER CORPORATION FCC Authorization Letter FCC ID: QPI-RFMODULE02 Name: RFMODULE02 / Model: 900371-00 Date: 5/4/2022 To whom it may concern:

We, the undersigned, hereby authorize Wei Li at Advanced Compliance Lab, to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by Advanced Compliance Lab on our behalf shall have the same effect as acts of our own. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). In authorizing Advanced Compliance as our agent, we still recognize that we are responsible to:

a) Comply with the relevant provisions of the certification program;

b) c) d) e) f) g) h) i) j) Make all necessary arrangements for the conduct of the evaluation, including provision for examining documentation and access to all areas, records (including internal audit reports) and personnel for the purposes of evaluation (e.g. testing, inspection, assessment, surveillance, reassessment) and resolution of complaints;

Make claims regarding certification only in respect of the scope for which certification has been granted;

Do not use our product certification in such a manner as to bring the Certification Division into disrepute and not make any statement regarding our product certification which the Certification Division may consider misleading or unauthorized;

Upon suspension or cancellation of certification, discontinue use of all advertising matter that contains any reference thereto and return any certification documents as required by the Certification Division;

Use certification only to indicate the products are certified as being in conformity with specified standards;

Endeavor to ensure that no certificate or report nor any part thereof is used in a misleading manner;

Ensure that any reference to our product certification in communication media such as documents, brochures or advertising, complies with the requirements of the Certification Division;

Keep a record of all complaints made known to the us relating to the products compliance with requirements of the relevant standard and to make these records available to the Certification Division when requested;

Take appropriate action with respect to such complaints and any deficiencies found in products or services that affect compliance with the requirements for certification;

k) Document the actions taken. HEAT TIMER CORPORATION FCC Authorization Letter FCC ID: QPI-RFMODULE02 Name: RFMODULE02 / Model: 900371-00 This authorization is valid until further written notice from the applicant. Regards, Signature:

Carlos Urbina Title:

Engineering Manager Company: Heat Time Corporation

Subject:

Multi listing and Use of Lambda62 (module model#) documentations and FCC reports

(modular FCC ID: P9OLAMBDA62) 5/4/2022 To whom it may concern:

Dear Sir or Madam:

Heat-Timer Corporation has obtained an agreement from the RF Solutions to multi-list RF Solutions product LAMBDA62s FCC ID ( P9OLAMBDA62, granted on 8/31/2020) under the Heat-Timer Corporation's FCC ID: QPI-RFMODULE02, with the condition that there is no change in the design, circuitry, or construction. The original test results continue to be representative of and applicable to this equipment. Heat-Timer Corporation also has obtained an agreement from the RF Solutions to use the Lambda62 construction documentation (schematics, BOM, Block diagrams, etc.) and the FCC reports, that must remain permanently confidential, for FCC certification of Heat-Time Corporations RF MODULE02 (900371-00) product with new FCC ID: QPI-

RFMODULE02. Heat-Timer Corporation may use modular test reports along with all necessary documentation pertinent to RF Solutions radio module Lambda62 and is authorized to use the company name RF Solutions, product name Lambda62 solely for the certification process of RF MODULE02 (900371-00) which have the RF Solutions Lambda62 embedded. The Test Reports supplied by RF Solution to the FCC for our submission for grant are still representative of Lambda62 manufactured today. If you have any questions or concerns feel free to contact me. Regards, Carlos Urbina Engineering Manager Heat-Timer Corporation 20 New Dutch Lane Fairfield, NJ 07004

RF. Solutions Ltd., William Way, Burgess Hill, West Sussex, RH15 9AG Tel : +44 (0)1444 227900 sales@rfsolutions.co.uk Date: 4/20/2022 Subject: Multi listing and Use of Lambda62 (module model#) documentations and FCC reports (modular FCC ID: P9OLAMDA62) To whom it may concern:

Dear Sir or Madam:

RF Solutions authorizes integrator/customer Heat-Timer Corp. to multi-list our product LAMBDA62s FCC ID ( FCC ID: P9OLAMADA62, granted on 8/31/2020) under the Heat-

Timer Corp.'s FCC ID: QPI-RFMODULE02, with the condition that there is no change in the design, circuitry, or construction. The original test results continue to be representative of and applicable to this equipment."

RF Solutions authorizes integrator/customer Heat-Timer Corp. to use the Lambda62 construction documentation (schematics, BOM, Block diagrams, etc.) and the FCC reports, that must remain permanently confidential, for FCC certification of their RF MODULE02 (900371-00) product with new FCC ID: QPI-RFMODULE02. Heat-Timer Corp. may use modular test reports along with all necessary documentation pertinent to RF Solutions radio module Lambda62 and is authorized to use the company name RF Solutions, product name Lambda62 solely for the certification process of RF MODULE02 (900371-00) which have the RF Solutions Lambda62 embedded. The Test Reports supplied by RF Solution to the FCC for our submission for grant are still representative of Lambda62 manufactured today. If you have any questions or concerns feel free to contact me. Yours Faithfully John Fairall Director